Coronarographic patterns in Prinzmetal's variant angina.
D000293:Adolescent; D000787:Angina Pectoris / Q000503:physiopathology*; D000792:Angiography; D003331:Coronary Vessels / Q000503:physiopathology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged